This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
yunhao cui,
我在最新手册里看到的数据如下, 此数据和Spec中对应表格是相符的,如下图,其中详细说明了测试的前提条件,例如 LPM3 (With RTC): 660 nA, 1~6都得满足,供电3V,7和8 表明了RTC时钟源是LFXT, WDT disable。建议可以先从LPM3开始,在EVM板上,down好程序后,断开仿真器 jumper ,用外部供电,串入万用表进行测试。因为仿真器连接也会有额外的电流的。我看MSP432 code example 有最简单的LPM3例程。你可以测试看看。
http://www.ti.com/product/MSP432P401R/toolssoftware
MSP432P401x Code Examples (Rev. F) (ZIP1263KB ) 1,185views,26 Aug 2016
msp432p401x_pa_01 Write a word to Port A (Port 1 + 2)
msp432p401x_pcm_01 Enter LPM0 (ARM Sleep Mode) with ACLK = REFO, SMCLK = 3MHz
msp432p401x_pcm_02 Enter LPM3 (ARM Deep Sleep Mode) with ACLK = REFO
msp432p401x_pcm_03 Enter LPM3 (ARM Deep Sleep Mode) with ACLK = VLO
Ultra-Low-Power Operating Modes
– Active: 80 μA/MHz
– Low-Frequency Active: 83 μA at 128 kHz
– LPM3 (With RTC): 660 nA
– LPM3.5 (With RTC): 630 nA
– LPM4: 500 nA
– LPM4.5: 25 nA